[GitHub] liuxunorg commented on a change in pull request #3276: [ZEPPELIN-3928] Fix bugs AngularBind operation NullPointerException

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liuxunorg commented on a change in pull request #3276: [ZEPPELIN-3928] Fix bugs AngularBind operation NullPointerException
URL: https://github.com/apache/zeppelin/pull/3276#discussion_r245468170
 
 

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 File path: zeppelin-server/src/main/java/org/apache/zeppelin/socket/NotebookServer.java
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 @@ -1708,20 +1708,16 @@ public void onAdd(String interpreterGroupId, AngularObject object) {
 
   @Override
   public void onUpdate(String interpreterGroupId, AngularObject object) {
-    if (getNotebook() == null) {
+    if (getNotebook() == null || object.getNoteId() == null) {
       return;
     }
 
-    List<Note> notes = getNotebook().getAllNotes();
-    for (Note note : notes) {
-      if (object.getNoteId() != null && !note.getId().equals(object.getNoteId())) {
-        continue;
-      }
-
+    Note note = getNotebook().getNote(object.getNoteId());
 
 Review comment:
   `object.getNoteId() == null`, Can also not add this code, Just to be safer, Or do I cancel this judgment code?

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